142 lines
6.4 KiB
Groff
142 lines
6.4 KiB
Groff
LAMMPS (19 Mar 2020)
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OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (../comm.cpp:94)
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using 1 OpenMP thread(s) per MPI task
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# bcc iron in a 3d periodic box
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clear
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OMP_NUM_THREADS environment is not set. Defaulting to 1 thread. (../comm.cpp:94)
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using 1 OpenMP thread(s) per MPI task
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units metal
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atom_style spin
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dimension 3
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boundary p p p
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# necessary for the serial algorithm (sametag)
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atom_modify map array
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lattice bcc 2.8665
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Lattice spacing in x,y,z = 2.8665 2.8665 2.8665
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region box block 0.0 5.0 0.0 5.0 0.0 5.0
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create_box 1 box
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Created orthogonal box = (0 0 0) to (14.3325 14.3325 14.3325)
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1 by 1 by 1 MPI processor grid
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create_atoms 1 box
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Created 250 atoms
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create_atoms CPU = 0.00103498 secs
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# setting mass, mag. moments, and interactions for bcc iron
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mass 1 55.845
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set group all spin/random 31 2.2
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250 settings made for spin/random
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# set group all spin 2.2 0.0 0.0 1.0
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velocity all create 100 4928459 rot yes dist gaussian
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pair_style hybrid/overlay eam/alloy spin/exchange 3.5
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pair_coeff * * eam/alloy Fe_Mishin2006.eam.alloy Fe
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pair_coeff * * spin/exchange exchange 3.4 0.02726 0.2171 1.841
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neighbor 0.1 bin
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neigh_modify every 10 check yes delay 20
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fix 1 all precession/spin zeeman 0.0 0.0 0.0 1.0
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fix_modify 1 energy yes
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fix 2 all langevin/spin 0.0 0.0 21
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fix 3 all nve/spin lattice moving
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timestep 0.0001
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# compute and output options
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compute out_mag all spin
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compute out_pe all pe
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compute out_ke all ke
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compute out_temp all temp
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variable magz equal c_out_mag[3]
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variable magnorm equal c_out_mag[4]
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variable emag equal c_out_mag[5]
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variable tmag equal c_out_mag[6]
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thermo_style custom step time v_magnorm v_tmag temp v_emag ke pe press etotal
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thermo 50
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compute outsp all property/atom spx spy spz sp fmx fmy fmz
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dump 1 all custom 100 dump_iron.lammpstrj type x y z c_outsp[1] c_outsp[2] c_outsp[3]
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run 1000
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Neighbor list info ...
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update every 10 steps, delay 20 steps, check yes
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max neighbors/atom: 2000, page size: 100000
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master list distance cutoff = 5.77337
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ghost atom cutoff = 5.77337
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binsize = 2.88668, bins = 5 5 5
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2 neighbor lists, perpetual/occasional/extra = 2 0 0
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(1) pair eam/alloy, perpetual, half/full from (2)
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attributes: half, newton on
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pair build: halffull/newton
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stencil: none
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bin: none
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(2) pair spin/exchange, perpetual
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attributes: full, newton on
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pair build: full/bin/atomonly
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stencil: full/bin/3d
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bin: standard
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Per MPI rank memory allocation (min/avg/max) = 7.82 | 7.82 | 7.82 Mbytes
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Step Time v_magnorm v_tmag Temp v_emag KinEng PotEng Press TotEng
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0 0 0.076456975 4554.5462 100.00358 -0.42895634 3.2186929 -1070.429 394.43342 -1067.2103
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50 0.005 0.076456974 4671.3033 96.520068 -0.43128393 3.1065733 -1070.3169 707.2166 -1067.2103
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100 0.01 0.076456983 4793.2674 86.525198 -0.43550567 2.7848806 -1069.9952 1456.8628 -1067.2103
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150 0.015 0.076456973 4894.1924 71.664875 -0.44035101 2.3065896 -1069.5169 2510.4447 -1067.2103
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200 0.02 0.076456944 4859.9379 54.610496 -0.44591875 1.7576812 -1068.968 3686.7124 -1067.2103
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250 0.025 0.076456953 4636.3427 38.560198 -0.45258831 1.2410899 -1068.4514 4757.3215 -1067.2103
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300 0.03 0.076457027 4333.5734 26.459387 -0.45961266 0.85161592 -1068.0619 5505.1963 -1067.2103
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350 0.035 0.076457102 4124.1453 20.205123 -0.46569388 0.65031758 -1067.8606 5768.9329 -1067.2103
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400 0.04 0.076457116 4064.6843 20.142986 -0.47038245 0.64831763 -1067.8586 5521.4162 -1067.2103
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450 0.045 0.076457072 4076.2576 25.084719 -0.4741092 0.80737114 -1068.0176 4890.8714 -1067.2103
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500 0.05 0.076457001 4105.5788 32.863873 -0.47765283 1.0577493 -1068.268 4093.2603 -1067.2103
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550 0.055 0.076456962 4109.0613 41.126745 -0.48188168 1.3236962 -1068.534 3337.5111 -1067.2103
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600 0.06 0.076456996 3993.3891 47.996188 -0.48790867 1.5447946 -1068.7551 2767.4353 -1067.2103
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650 0.065 0.076457077 3776.2342 52.386407 -0.49621451 1.6860972 -1068.8964 2458.9058 -1067.2103
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700 0.07 0.076457137 3586.7963 54.031337 -0.50582777 1.7390405 -1068.9493 2397.5333 -1067.2103
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750 0.075 0.076457135 3535.1994 53.389736 -0.51542639 1.7183901 -1068.9287 2514.1889 -1067.2103
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800 0.08 0.076457118 3585.6546 51.428399 -0.52423597 1.6552629 -1068.8655 2732.6669 -1067.2103
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850 0.085 0.076457118 3634.4891 49.293001 -0.53165471 1.5865335 -1068.7968 2977.6259 -1067.2103
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900 0.09 0.076457126 3660.3333 47.999274 -0.53780479 1.5448939 -1068.7552 3176.4112 -1067.2103
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950 0.095 0.076457129 3671.3259 48.180409 -0.54376787 1.5507239 -1068.761 3283.2242 -1067.2103
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1000 0.1 0.076457139 3628.6038 49.917341 -0.55029097 1.6066284 -1068.8169 3283.2361 -1067.2103
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Loop time of 1.66624 on 1 procs for 1000 steps with 250 atoms
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Performance: 5.185 ns/day, 4.628 hours/ns, 600.152 timesteps/s
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99.7% CPU use with 1 MPI tasks x 1 OpenMP threads
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MPI task timing breakdown:
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Section | min time | avg time | max time |%varavg| %total
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---------------------------------------------------------------
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Pair | 0.73884 | 0.73884 | 0.73884 | 0.0 | 44.34
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Neigh | 0.0045731 | 0.0045731 | 0.0045731 | 0.0 | 0.27
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Comm | 0.023681 | 0.023681 | 0.023681 | 0.0 | 1.42
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Output | 0.0042441 | 0.0042441 | 0.0042441 | 0.0 | 0.25
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Modify | 0.89131 | 0.89131 | 0.89131 | 0.0 | 53.49
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Other | | 0.003589 | | | 0.22
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Nlocal: 250 ave 250 max 250 min
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Histogram: 1 0 0 0 0 0 0 0 0 0
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Nghost: 1407 ave 1407 max 1407 min
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Histogram: 1 0 0 0 0 0 0 0 0 0
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Neighs: 7868 ave 7868 max 7868 min
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Histogram: 1 0 0 0 0 0 0 0 0 0
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FullNghs: 15736 ave 15736 max 15736 min
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Histogram: 1 0 0 0 0 0 0 0 0 0
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Total # of neighbors = 15736
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Ave neighs/atom = 62.944
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Neighbor list builds = 6
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Dangerous builds = 0
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Please see the log.cite file for references relevant to this simulation
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Total wall time: 0:00:01
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